Home / 1,433,813.08-1,978,430.53-821,853.22

Finding the Fourth Proportional to 1,433,813.08, 1,978,430.53 and 821,853.22

Calculator

Solution

The fourth proportional to 1,433,813.08, 1,978,430.53 and 821,853.22 is: 1,134,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,813.08 : 1,978,430.53 = 821,853.22 : x
  2. Step 2: Convert to fraction form
    1,433,813.08/1,978,430.53 = 821,853.22/x
  3. Step 3: Cross multiply
    1,433,813.08x = 1,978,430.53 × 821,853.22
  4. Step 4: Simplify right side
    1,433,813.08x = 1,625,979,501,626.81
  5. Step 5: Solve for x
    x = 1,625,979,501,626.81/1,433,813.08
  6. Step 6: Final answer
    x = 1,134,024.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.